平均时间

The mean age of the patients at the time of the index operation was seventy-four years.

标准手术时间的平均年龄为74岁。

In their prospective study of 170 carriers of BRCA1 or BRCA2 mutations with a mean follow-up of 2 years, ovarian cancer or a papillary serous carcinoma of the peritoneum developed in 5 of 72 women (6.9%) who elected intensive surveillance. Of 98 women who had prophylactic salpingo-oophorectomy, 3 (3.1%) had early-stage tumors diagnosed at surgery, and 1 (1.0%) developed primary peritoneal cancer during follow-up.

此次包括170位BRCA1或者BRCA2突变体携带者，平均随访时间为2年，进行密切检测的72位女性中，5位(6.9%)患者发生卵巢癌或者血性腹膜乳头瘤，而进行预防性卵巢切除术的98位女性中，有3人(3.1%)手术诊断已经患有早期肿瘤，有1人(1.0%)在随访期间发生腹膜癌。

Based on the analysis upon stochastic dynamic characteristics in waste collection and transportation process,a method for equipment allocation on the basis of queuing theory is proposed.With the introduction of the M/M/S queuing model,a cost model of queuing system in transfer stations was formulated,which alloc...

结果表明，与传统静态方法相比，采用排队论方法进行转运站设备配置，垃圾转运站系统的总费用可降低7.5%，垃圾收集车辆的平均逗留时间系数由0.16降为0.1，车辆排队长度系数由4.47降低为2.71，转运系统具有更好的经济性和抗风险能力，达到优化配置的目的。

Within five minutes, the Dow Jones Industrial Average had lost 700 points.

在短短五分钟时间里，道琼斯工业平均指数即下挫700点。

At this rate, someone who lives to 75 would spend nine years in front of the tube.

照这样的比例累积下去，每个人活到75岁的时候，平均坐在电视机前的时间，将有九年之久。

If the average velocity of a vesicle is 1 μm/sec, how long does it take a vesicle to move from a cell body in the spinal cord to the axonal tip in the toes?

如果一个囊泡的平均速度为1μm/sec，从脊索的细胞体移动到足尖的突轴尖端需要多少时间？

If the average velocity of a vesicle is 1 μm/sec, how long does it take a vesicle to move from a cell body in the spinal cord to the axonal tip in the toe s?

如果一个囊泡的平均速度为1μm/sec，从脊索的细胞体移动到足尖的突轴尖端需要多少时间？

It might be hard to run the average house on solar power all of the time, but having a just some of your power coming from the sun can be money saving.

这可能很难上运行太阳能所有的时间平均房价，但有一只是你的一些权力来自太阳的未来，可以节省金钱。

She hypothesized that the more time students spent playing video games the lower their grade point average would be.

她原本假设学生在电子游戏上花费的时间越多，其年级平均成绩便越低。

At that time, the average whole lifetime was about 35 yrs.

在那个时间，平均整个寿命约35岁）。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。